P. S. Hammes - Concepedia

Author

P. S. Hammes

University of Pretoria

Also Known As

P Hammes, P. Hammes, P. S. Hammes, P.S. Hammes, Piet S. Hammes

Publications

1.4K

Citations

H-Index

Concepts

All Affiliations

University of Pretoria Department of Research and Specialist Services University of Zululand University of Zimbabwe Ethiopian Institute of Agricultural Research

About

P. S. Hammes is an author at University of Pretoria specializing in agricultural economics, engineering, and botany.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	12	15	453
2	Public Health	6	6	227
3	Health Sciences	3	3	63
4	Natural Sciences	3	3	42
5	Medicine	1	1	62

P. S. Hammes

Publications

1.2K

Citations

H-Index

Page 1

	Year	Citations
Growth and productivity of potato as influenced by cultivar and reproductive growth T. Tekalign, P. S. Hammes Scientia Horticulturae ProductivityCrop ProductionPlant ProductionSustainable AgricultureAgricultural Economics	2005	133
Effects of Farmyard Manure and Inorganic Fertilizers on Sorghum Growth, Yield, and Nitrogen Use in a Semi-Arid Area of Ethiopia Wondimu Bayu, N.F.G. Rethman, P. S. Hammes, Journal of Plant Nutrition EngineeringSoil AmeliorationLand UseAgricultural WasteAgricultural Economics	2006	127
Differences in salinity tolerance for growth and water‐use efficiency in some amaranth <i>(Amaranthus</i> spp.) genotypes E. N. Omamt, P. S. Hammes, P.J. Robbertse New Zealand Journal of Crop and Horticultural Science	2006	125
The origin and structure of adventitious roots in sweet potato ( <i>Ipomoea batatas</i> ) Terefe Belehu, P. S. Hammes, P.J. Robbertse Australian Journal of Botany	2004	75
Control mechanisms in the tuberization process P. S. Hammes, Philip Nel Potato Research Biophysical ModelingPattern FormationProcess IntensificationMacromolecular MachineProcess Control	1975	62
Interactive effects of salinity and water stress on growth, leaf water relations, and gas exchange in amaranth <i>(Amaranthus</i> spp.) E. Omami, P. S. Hammes New Zealand Journal of Crop and Horticultural Science	2006	60
Growth and productivity of potato as influenced by cultivar and reproductive growth T. Tekalign, P. S. Hammes Scientia Horticulturae ProductivityCrop ProductionPlant ProductionSustainable AgricultureAgricultural Economics	2005	58
Response of potato grown under non-inductive condition paclobutrazol: shoot growth, chlorophyll content, net photosynthesis, assimilate partitioning, tuber yield, quality, and dormancy T. Tekalign, P. S. Hammes Plant Growth Regulation Net PhotosynthesisEngineeringBotanyPlant ProductionAgricultural Economics	2004	51
Response of potato ( <i>Solarium tuberosum</i> ) tuber yield components to gel‐polymer soil amendments and irrigation regimes Bahlebi K. Eiasu, Puffy Soundy, P. S. Hammes New Zealand Journal of Crop and Horticultural Science	2007	48
Growth and biomass production in potato grown in the hot tropics as influenced by paclobutrazol T. Tekalign, P. S. Hammes Plant Growth Regulation Crop ProductionBioenergyBotanyPlant ProductionBiomass Production	2005	43

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